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Due to the use of the Tegra DC backlight feature by the HTC ONE X,
backlight requests MUST NOT be made during probe or earlier. This is
because it creates a loop, as the backlight is a DC child.
To mitigate this issue, backlight requests can be made later, once the
backlight is actively used.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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The reset GPIO signal operates with a low-active logic. The driver
needs to be adjusted to correctly handle this.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Convert enable GPIO into a set of supplies according to
datasheet.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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If TX_CLK is not set or gives an error, use SSD2825_REF_MIN_CLK.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Use switch condition to get pixel format.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Set HS Zero and Prepare delays from device tree.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Reconfigure post panel enable bridge configuration.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Use OF graph parsing helpers to get linked panel.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Switch from PANEL_UCLASS to VIDEO_BRIDGE_UCLASS since now
its user has bridge support.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Bridge uses only one clock and enforcing name to be set may
cause issues in the future.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Simplify power supply request logic.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Use OF graph parsing helpers to get linked panel.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Switch from PANEL_UCLASS to VIDEO_BRIDGE_UCLASS since now
its user driver has bridge support.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Switch from PANEL_UCLASS to VIDEO_BRIDGE_UCLASS since now
its user driver has bridge support.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Use DSI message flag to set correct speed mode for message transfer.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Switch from PANEL_UCLASS to VIDEO_BRIDGE_UCLASS since now
Tegra DC driver has bridge support.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Establish the backlight as a DC display controller child.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Implement child binding helper within DC bind to support DC PWM backlight
feature.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Video operations are not required by the Tegra Display Controller
and should therefore be removed.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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If device uses native Tegra DSI or HDMI, DC clock MUST use the same
parent as DSI/HDMI clock uses. Hence remove need in device tree
configuration and satisfy this condition by default.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Use OF graph as a main bridge/panel source, preserving
backwards compatibility with phandle implementation.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Rework existing DC driver configuration to support bridges (both external
and internal DSI and HDMI controllers) and align video devices chain logic
with Linux implementation. Additionally, this should improve communication
between DC and internal DSI/HDMI controllers.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Tegra platforms feature native HDMI support. Implement a driver to enable
functionality. This driver will initially support Tegra 2 and 3, with
future extensibility.
Co-developed-by: Jonas Schwöbel <[email protected]>
Signed-off-by: Jonas Schwöbel <[email protected]>
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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reset setup
Introduce a simplified HOST1X driver, limited to the basic clock and reset
initialization of the bus.
Signed-off-by: Svyatoslav Ryhel <[email protected]>
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Simon Glass <[email protected]> says:
This series was split from the VBE part H series. It adjusts the logic
for selecting the top of the stack so that it is more consistent across
xPL phases.
Link: https://lore.kernel.org/r/[email protected]
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VPL has the same needs as TPL in situations where the stack is at the
top of SRAM. Add an option for this and implement it for arm
Signed-off-by: Simon Glass <[email protected]>
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Now that we have the same option for SPL and TPL, simplify the logic for
determining the initial stack.
Note that this changes behaviour as current SPL_STACK is a fallback for
TPL. However, that was likely unintended and can be handled with Kconfig
defaults if needed.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Suggested-by: Tom Rini <[email protected]>
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At present there is a hex value SPL_STACK which both determines whether
SPL has its own initial stack and the hex value of that stack.
Split off the former into SPL_HAVE_INIT_STACK with SPL_STACK depending
on that and only providing the latter.
Signed-off-by: Simon Glass <[email protected]>
[trini: Resync defconfig files]
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The most common word for features that make a platform work is to use
'HAVE_xxx'. Rename this option to match.
Update the help to use the word 'phase' rather than 'stage', since
that is the current terminology. Also clarify that, absent this setting,
the stack pointer generally comes from the value used by U-Boot proper,
rather than SPL.
Move the option just above TPL_STACK which depends on it.
Signed-off-by: Simon Glass <[email protected]>
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This series from Greg Malysa <[email protected]> provides two more
fixes for the mach-sc5xx platforms.
Link: https://lore.kernel.org/r/[email protected]
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The sc5xx machine code includes implementations of board_init and
board_early_init_f which should not be included in the base soc support
code, as they should be implemented by a board where necessary.
This removes the default empty implementations of both from mach-sc5xx.
Signed-off-by: Greg Malysa <[email protected]>
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The arm library includes an implementation of bss_clear that is already
called from crt0.S. This re-clearing of BSS should not be performed in
the machine code and should therefore be removed.
Signed-off-by: Greg Malysa <[email protected]>
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Santhosh Kumar K <[email protected]> says:
This series is to update the DDR configurations of AM64x EVM, AM62x SK,
AM62x LP SK, AM62Ax SK and AM62Px SK boards according to the SysConfig
DDR Configuration tool for AM64x, AM625, AM623, AM62Ax, AM62Px v0.10.02.
Test logs: https://gist.github.com/santhosh21/43723900f3615e4cf98da57ed9618cf9
Link: https://lore.kernel.org/r/[email protected]
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Update the DDR Configurations for AM62Px SK according to the SysConfig
DDR Configuration tool for AM64x, AM625, AM623, AM62Ax, AM62Px v0.10.02.
Signed-off-by: Santhosh Kumar K <[email protected]>
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Update the DDR Configurations for AM62Ax SK according to the SysConfig
DDR Configuration tool for AM64x, AM625, AM623, AM62Ax, AM62Px v0.10.02.
Signed-off-by: Santhosh Kumar K <[email protected]>
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Update the DDR Configurations for AM62x LP SK according to the SysConfig
DDR Configuration tool for AM64x, AM625, AM623, AM62Ax, AM62Px v0.10.02.
Signed-off-by: Santhosh Kumar K <[email protected]>
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Update the DDR Configurations for AM62x SK according to the SysConfig
DDR Configuration tool for AM64x, AM625, AM623, AM62Ax, AM62Px v0.10.02.
Signed-off-by: Santhosh Kumar K <[email protected]>
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Update the DDR Configurations for AM64x EVM according to the SysConfig
DDR Configuration tool for AM64x, AM625, AM623, AM62Ax, AM62Px v0.10.02.
Signed-off-by: Santhosh Kumar K <[email protected]>
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https://source.denx.de/u-boot/custodians/u-boot-raspberrypi
Updates for RPi for 2025.04:
- Copy Bluetooth device address in DT
- Keep warnings from firmware in DT, if any
- Only add frame buffer node if CONFIG_FDT_SIMPLEFB is set
- Add identifiers for the new RPi 5 series
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The firmware sets local-bd-address, copy it when loading a new DT.
Signed-off-by: Fiona Klute <[email protected]>
Signed-off-by: Peter Robinson <[email protected]>
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The /chosen/user-warnings property is created by the RPi firmware if
there are warnings to report, keep it to make debugging easier.
For example, if the firmware config.txt contains
"dtoverlay=error-example" and that example references an undefined
symbol "&nosuchdev" the warning can be read after boot:
$ cat /proc/device-tree/chosen/user-warnings
dterror: can't find symbol 'nosuchdev'
Failed to resolve overlay 'error-example'
Signed-off-by: Fiona Klute <[email protected]>
Reviewed-by: Matthias Brugger <[email protected]>
Signed-off-by: Peter Robinson <[email protected]>
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The functions fdt_simplefb_add_node and fdt_simplefb_enable_and_mem_rsv
are only available if CONFIG_FDT_SIMPLEFB is enabled.
Signed-off-by: Martin Stolpe <[email protected]>
Acked-by: Matthias Brugger <[email protected]>
Signed-off-by: Peter Robinson <[email protected]>
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The Raspberry Pi foundation have released the Raspberry
Pi 500, CM5 an CM5 lite devices so add the assoicated
revision identifers so we can detect them.
Signed-off-by: Peter Robinson <[email protected]>
Acked-by: Matthias Brugger <[email protected]>
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https://source.denx.de/u-boot/custodians/u-boot-stm into next
CI: https://source.denx.de/u-boot/custodians/u-boot-stm/-/pipelines/25112
- Add drivers for MFD STM32 TIMERS and STM32 PWM and enable them on stm32mp135f-dk
- Restrict _debug_uart_init() usage in STM32 serial driver
- Add support for environment in eMMC on STM32MP13xx DHCOR SoM
- Introduce DH STM32MP15xx DHSOM board specific defconfigs
- Fix CONFIG_BOOTCOUNT_ALTBOOTCMD update on DH STM32MP1 DHSOM
- Update maintainer for board stm32f746-disco
- Fix Linux cmdline for stm32f769-disco
- Cleanup in stm32f***-u-boot.dtsi and in board_late_init() by removing
legacy led and button management.
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https://gitlab.denx.de/u-boot/custodians/u-boot-imx
CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/25106
- Fix VDDQ voltage setting for LPDDR4x on imx93_evk.
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The default PCA9451 BUCK2 volt is 0.6 V for LPDDR4x VDDQ. The codes
are actually used for reworking to LPDDR4 which needs VDDQ at 1.1 V.
So remove it to avoid LPDDR4x issue.
Signed-off-by: Ye Li <[email protected]>
Acked-by: Peng Fan <[email protected]>
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This series from Leonard Anderweit <[email protected]> provides some
improvements to the binman tool and i.MX specific tooling then makes use
of it.
Link: https://lore.kernel.org/r/[email protected]
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Build the imx code singing tool from source instead of relying on the
distro to provide the tool.
Use the debian/unstable branch because the default branch is outdated.
The binary is supposed to be build with docker, work around that by selecting
the correct Makefile directly.
Also append the description and add a link to documentation.
Signed-off-by: Leonard Anderweit <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add optional argument make_path to build_from git. The new argument
allows specifying the path to a Makefile in case it is not in the root
of the git repo.
Also adjust the corresponding test.
Signed-off-by: Leonard Anderweit <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Add optional argument git_branch to build_from_git. The new argument
allows specifying which branch of the repo to use.
Signed-off-by: Leonard Anderweit <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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